Home / 7,727.72-11,589.62-2,982.92

Finding the Fourth Proportional to 7,727.72, 11,589.62 and 2,982.92

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Solution

The fourth proportional to 7,727.72, 11,589.62 and 2,982.92 is: 4,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.72 : 11,589.62 = 2,982.92 : x
  2. Step 2: Convert to fraction form
    7,727.72/11,589.62 = 2,982.92/x
  3. Step 3: Cross multiply
    7,727.72x = 11,589.62 × 2,982.92
  4. Step 4: Simplify right side
    7,727.72x = 34,570,909.29
  5. Step 5: Solve for x
    x = 34,570,909.29/7,727.72
  6. Step 6: Final answer
    x = 4,473.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.